Examples with ITextViewerExtension5 org.eclipse.jface.text.ITextViewerExtension5 used on opensource projects

Example 26 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class InlinedAnnotationSupport method getInlinedAnnotationAtLine.

/**
 * Returns the {@link AbstractInlinedAnnotation} from the given line index and null otherwise.
 *
 * @param viewer the source viewer
 * @param lineIndex the line index.
 * @return the {@link AbstractInlinedAnnotation} from the given line index and null otherwise.
 */
private static AbstractInlinedAnnotation getInlinedAnnotationAtLine(ISourceViewer viewer, int lineIndex) {
    if (viewer == null) {
        return null;
    }
    IAnnotationModel annotationModel = viewer.getAnnotationModel();
    if (annotationModel == null) {
        return null;
    }
    IDocument document = viewer.getDocument();
    int lineNumber = lineIndex;
    if (lineNumber > document.getNumberOfLines()) {
        return null;
    }
    try {
        if (viewer instanceof ITextViewerExtension5) {
            lineNumber = ((ITextViewerExtension5) viewer).widgetLine2ModelLine(lineNumber);
        }
        IRegion line = document.getLineInformation(lineNumber);
        return getInlinedAnnotationAtOffset(viewer, line.getOffset(), line.getLength());
    } catch (BadLocationException e) {
        return null;
    }
}

Example 27 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class InlinedAnnotationSupport method getLineContentAnnotationAtPoint.

/**
 * Returns the {@link AbstractInlinedAnnotation} line content from the given point and null
 * otherwise.
 *
 * @param viewer the source viewer
 * @param point the origin of character bounding box relative to the origin of the widget client
 *            area.
 * @return the {@link AbstractInlinedAnnotation} line content from the given point and null
 *         otherwise.
 */
private static AbstractInlinedAnnotation getLineContentAnnotationAtPoint(ISourceViewer viewer, Point point) {
    StyledText styledText = viewer.getTextWidget();
    int offset = styledText.getOffsetAtPoint(point);
    if (offset == -1) {
        return null;
    }
    if (viewer instanceof ITextViewerExtension5) {
        offset = ((ITextViewerExtension5) viewer).widgetOffset2ModelOffset(offset);
    }
    AbstractInlinedAnnotation annotation = getInlinedAnnotationAtOffset(viewer, offset, 1);
    if (annotation instanceof LineContentAnnotation) {
        return annotation;
    }
    return null;
}

Example 28 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class InformationPresenter method modelRange2WidgetRange.

/**
 * Translated the given range in the viewer's document into the corresponding
 * range of the viewer's widget.
 *
 * @param region the range in the viewer's document
 * @return the corresponding widget range
 * @since 2.1
 */
private IRegion modelRange2WidgetRange(IRegion region) {
    if (fTextViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fTextViewer;
        return extension.modelRange2WidgetRange(region);
    }
    IRegion visibleRegion = fTextViewer.getVisibleRegion();
    int start = region.getOffset() - visibleRegion.getOffset();
    int end = start + region.getLength();
    if (end > visibleRegion.getLength())
        end = visibleRegion.getLength();
    return new Region(start, end - start);
}

Example 29 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class AnnotationPainter method applyTextPresentation.

@Override
public void applyTextPresentation(TextPresentation tp) {
    Set<Entry<Annotation, Decoration>> decorations;
    synchronized (fHighlightedDecorationsMapLock) {
        if (fHighlightedDecorationsMap == null || fHighlightedDecorationsMap.isEmpty())
            return;
        decorations = new HashSet<>(fHighlightedDecorationsMap.entrySet());
    }
    IRegion region = tp.getExtent();
    if (DEBUG)
        // $NON-NLS-1$ //$NON-NLS-2$
        System.out.println("AP: applying text presentation offset: " + region.getOffset() + ", length= " + region.getLength());
    for (int layer = 0, maxLayer = 1; layer < maxLayer; layer++) {
        for (Entry<Annotation, Decoration> entry : decorations) {
            Annotation a = entry.getKey();
            if (a.isMarkedDeleted())
                continue;
            Decoration pp = entry.getValue();
            // dynamically update layer maximum
            maxLayer = Math.max(maxLayer, pp.fLayer + 1);
            if (// wrong layer: skip annotation
            pp.fLayer != layer)
                continue;
            Position p = pp.fPosition;
            if (fSourceViewer instanceof ITextViewerExtension5) {
                ITextViewerExtension5 extension3 = (ITextViewerExtension5) fSourceViewer;
                if (null == extension3.modelRange2WidgetRange(new Region(p.getOffset(), p.getLength())))
                    continue;
            } else if (!fSourceViewer.overlapsWithVisibleRegion(p.offset, p.length)) {
                continue;
            }
            int regionEnd = region.getOffset() + region.getLength();
            int pEnd = p.getOffset() + p.getLength();
            if (pEnd >= region.getOffset() && regionEnd > p.getOffset()) {
                int start = Math.max(p.getOffset(), region.getOffset());
                int end = Math.min(regionEnd, pEnd);
                int length = Math.max(end - start, 0);
                StyleRange styleRange = new StyleRange(start, length, null, null);
                ((ITextStyleStrategy) pp.fPaintingStrategy).applyTextStyle(styleRange, pp.fColor);
                tp.mergeStyleRange(styleRange);
            }
        }
    }
}

Example 30 with ITextViewerExtension5

use of org.eclipse.jface.text.ITextViewerExtension5 in project eclipse.platform.text by eclipse.

the class ChangeRulerColumn method computeVisibleModelLines.

/**
 * Computes the document based line range visible in the text widget.
 *
 * @return the document based line range visible in the text widget
 * @since 3.2
 */
private final ILineRange computeVisibleModelLines() {
    IDocument doc = fCachedTextViewer.getDocument();
    if (doc == null)
        return null;
    int topLine;
    IRegion coverage;
    if (fCachedTextViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension = (ITextViewerExtension5) fCachedTextViewer;
        // ITextViewer.getTopIndex returns the fully visible line, but we want the partially
        // visible one
        int widgetTopLine = JFaceTextUtil.getPartialTopIndex(fCachedTextWidget);
        topLine = extension.widgetLine2ModelLine(widgetTopLine);
        coverage = extension.getModelCoverage();
    } else {
        topLine = JFaceTextUtil.getPartialTopIndex(fCachedTextViewer);
        coverage = fCachedTextViewer.getVisibleRegion();
    }
    int bottomLine = fCachedTextViewer.getBottomIndex();
    if (bottomLine != -1)
        ++bottomLine;
    // clip by coverage window
    try {
        int firstLine = doc.getLineOfOffset(coverage.getOffset());
        if (firstLine > topLine)
            topLine = firstLine;
        int lastLine = doc.getLineOfOffset(coverage.getOffset() + coverage.getLength());
        if (lastLine < bottomLine || bottomLine == -1)
            bottomLine = lastLine;
    } catch (BadLocationException x) {
        return null;
    }
    ILineRange visibleModelLines = new LineRange(topLine, bottomLine - topLine + 1);
    return visibleModelLines;
}